Photo of Acorus gramineus 'Ogon' foliage by Avant Gardens

Photo by Avant Gardens

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Acorus gramineus 'Ogon'

Also Known As

  • Variegated Sweet Flag

Plant type

perennial, grass / grass like, aquatic

size

  • H: 10"-12"
  • W: 6"-18"

planting zones

  • 5a-9b

More Options

Acorus gramineus 'Ogon' plant details

Acorus gramineus 'Ogon' is a slow-growing evergreen perennial aquatic grass (or grassy in appearance) with chartreuse, gold, green and variegated foliage. In summer chocolate and tan flowers emerge followed by green fruit. Features grassy texture. Grows well with sun - mostly shade and standing water - regular water. Adapts to various soil conditions. Does well in acidic, average, clay and rich soil. A good option if you're seeking something for erosion control, heat tolerant, humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Acorus gramineus 'Ogon'

Plant type: perennial aquatic grass (or grassy in appearance)
Plant family: acoraceae
Foliage: evergreen chartreuse, gold, green and variegated
Mature size: 6 IN - 18 IN - wide, 10 IN - 12 IN - tall
Flowers: chocolate and tan blooms in summer
Uses: border plant, container plant, fragrant, rock garden, woodland garden, year-round-interest

GROWING CONDITIONS for Acorus gramineus 'Ogon'

USDA Zones: 5a - 9b
Sun exposure: sun - mostly shade
Watering frequency: standing water - regular
Resistant to: deer and rabbit, erosion, heat, humidity and verticillium wilt
Soil needs: acidic, average, clay and rich

Nursery contributed plant descriptions

A good water plant with slender, grass-like, chartreuse and cream variegated foliage of tufted habit. S-PSh/M-W
Versatile evergreen groundcover with upright, narrow, golden striped, grassy foliage to 12" - Slow spreading mat is a great choice to brighten a dark part of the woodland garden…also happy streamside or even submerged in a pond! Acorus prefers a moist to wet site...the spot where everything else dies!  USDA Zone 6  3" pot
Acorus gramineus ‘Ogon’ is an evergreen grass with arching, sedge-like, brilliant yellow-striped leaves. Foliage is sweetly fragrant. Grows well in boggy soil. Ornamental Grasses are low-maintenance and grow well in most soil types. They look beautiful, adding color, height and movement to your garden. Golden Sweet Flag is an excellent companion plant with contrasting foliage.
A much taller and golden - green variegated form of A. 'Dwarf Green' and A. 'Dwarf Gold'. 8"-16" tall.
Dwarf herbaceous perennial that can be used as a groundcover or as individual plants in a moist to boggy part of the garden. Variegated green and yellow blades have a sweet fragrance.
This sweet flag from Japan has tilted fans of gold foliage. The flowers are inconspicuous. Best grown in evenly moist soil and even as a marginal plant in ponds.
Plant above water line

By: Moon - Sun Cactus & Koi Gardens

A low-growing perennial that forms fans of rich golden-yellow, grasslike tufts, 'Ogon' makes an excellent container subject or small-scale groundcover. In shady areas usually dominated by different shades of green, the golden foliage adds a delightful twist. Must have at least partial shade in inland gardens. Garden origin.
Acorus is a member of the Aroid family, but with inconspicuous flowers, and is commonly known as Sweet Flag. The cultivar 'Ogon' has attractive iris-like foliage with pleasing cream and chartreuse variegation. It grows to 12" and loves wet soil, forming a handsome groundcover over time.
This bold, semi-evergreen perennial has rich golden yellow foliage and grows to about 10" tall.

By: Greer Gardens Inc.

Evergreen can be a necessary thing. Being gold can be a provocative thing. 'Ogon' has both and is also tolerant of wet to average soil types. Growth to 1 ft tall and slowly spreading. Makes a perfect punctuation in the garden, good accent in a pot, or visually exciting in a sweeping swath.

Gardening facts about Acorus gramineus 'Ogon' plant

How to Grow Acorus gramineus 'Ogon'

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • standing water - regular
  • Soil Needs

    • clay
    • acidic
    • adaptable
    • average
    • rich
  • Special Situation

    • heat tolerant
    • humidity tolerant
    • erosion control
    • verticillium wilt resistant

Features

  • Wildlife

    • deer resistant
    • rabbit resistant
  • Foliage Color

    • variegated
    • gold
    • chartreuse
    • green
  • Texture

    • grassy
  • Foliage Season

    • evergreen
  • Flower Season

    • summer
  • Flower Color

    • tan
    • chocolate
  • Fruit

    • green
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